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Example 6 with MetaStorage

use of org.apache.ignite.internal.processors.cache.persistence.metastorage.MetaStorage in project ignite by apache.

the class GridCacheDatabaseSharedManager method readCheckpointAndRestoreMemory.

/**
 * {@inheritDoc}
 */
@Override
public void readCheckpointAndRestoreMemory(List<DynamicCacheDescriptor> cachesToStart) throws IgniteCheckedException {
    assert !cctx.localNode().isClient();
    checkpointReadLock();
    try {
        if (!F.isEmpty(cachesToStart)) {
            for (DynamicCacheDescriptor desc : cachesToStart) {
                if (CU.affinityNode(cctx.localNode(), desc.cacheConfiguration().getNodeFilter()))
                    storeMgr.initializeForCache(desc.groupDescriptor(), new StoredCacheData(desc.cacheConfiguration()));
            }
        }
        CheckpointStatus status = readCheckpointStatus();
        cctx.pageStore().initializeForMetastorage();
        metaStorage = new MetaStorage(cctx, dataRegionMap.get(METASTORE_DATA_REGION_NAME), (DataRegionMetricsImpl) memMetricsMap.get(METASTORE_DATA_REGION_NAME));
        WALPointer restore = restoreMemory(status);
        // First, bring memory to the last consistent checkpoint state if needed.
        // This method should return a pointer to the last valid record in the WAL.
        cctx.wal().resumeLogging(restore);
        WALPointer ptr = cctx.wal().log(new MemoryRecoveryRecord(U.currentTimeMillis()));
        if (ptr != null) {
            cctx.wal().fsync(ptr);
            nodeStart(ptr);
        }
        metaStorage.init(this);
        notifyMetastorageReadyForReadWrite();
    } catch (StorageException e) {
        throw new IgniteCheckedException(e);
    } finally {
        checkpointReadUnlock();
    }
}
Also used : IgniteCheckedException(org.apache.ignite.IgniteCheckedException) MetaStorage(org.apache.ignite.internal.processors.cache.persistence.metastorage.MetaStorage) DynamicCacheDescriptor(org.apache.ignite.internal.processors.cache.DynamicCacheDescriptor) StoredCacheData(org.apache.ignite.internal.processors.cache.StoredCacheData) WALPointer(org.apache.ignite.internal.pagemem.wal.WALPointer) FileWALPointer(org.apache.ignite.internal.processors.cache.persistence.wal.FileWALPointer) MemoryRecoveryRecord(org.apache.ignite.internal.pagemem.wal.record.MemoryRecoveryRecord) StorageException(org.apache.ignite.internal.pagemem.wal.StorageException)

Example 7 with MetaStorage

use of org.apache.ignite.internal.processors.cache.persistence.metastorage.MetaStorage in project ignite by apache.

the class GridCacheDatabaseSharedManager method restoreMemory.

/**
 * @param status Checkpoint status.
 * @param storeOnly If {@code True} restores Metastorage only.
 */
private WALPointer restoreMemory(CheckpointStatus status, boolean storeOnly, PageMemoryEx storePageMem) throws IgniteCheckedException {
    assert !storeOnly || storePageMem != null;
    if (log.isInfoEnabled())
        log.info("Checking memory state [lastValidPos=" + status.endPtr + ", lastMarked=" + status.startPtr + ", lastCheckpointId=" + status.cpStartId + ']');
    boolean apply = status.needRestoreMemory();
    if (apply) {
        U.quietAndWarn(log, "Ignite node stopped in the middle of checkpoint. Will restore memory state and " + "finish checkpoint on node start.");
        cctx.pageStore().beginRecover();
    } else
        cctx.wal().allowCompressionUntil(status.startPtr);
    long start = U.currentTimeMillis();
    int applied = 0;
    WALPointer lastRead = null;
    Collection<Integer> ignoreGrps = storeOnly ? Collections.emptySet() : initiallyWalDisabledGrps;
    try (WALIterator it = cctx.wal().replay(status.endPtr)) {
        while (it.hasNextX()) {
            IgniteBiTuple<WALPointer, WALRecord> tup = it.nextX();
            WALRecord rec = tup.get2();
            lastRead = tup.get1();
            switch(rec.type()) {
                case CHECKPOINT_RECORD:
                    CheckpointRecord cpRec = (CheckpointRecord) rec;
                    // We roll memory up until we find a checkpoint start record registered in the status.
                    if (F.eq(cpRec.checkpointId(), status.cpStartId)) {
                        log.info("Found last checkpoint marker [cpId=" + cpRec.checkpointId() + ", pos=" + tup.get1() + ']');
                        apply = false;
                    } else if (!F.eq(cpRec.checkpointId(), status.cpEndId))
                        U.warn(log, "Found unexpected checkpoint marker, skipping [cpId=" + cpRec.checkpointId() + ", expCpId=" + status.cpStartId + ", pos=" + tup.get1() + ']');
                    break;
                case PAGE_RECORD:
                    if (apply) {
                        PageSnapshot pageRec = (PageSnapshot) rec;
                        // Here we do not require tag check because we may be applying memory changes after
                        // several repetitive restarts and the same pages may have changed several times.
                        int grpId = pageRec.fullPageId().groupId();
                        if (storeOnly && grpId != METASTORAGE_CACHE_ID)
                            continue;
                        if (!ignoreGrps.contains(grpId)) {
                            long pageId = pageRec.fullPageId().pageId();
                            PageMemoryEx pageMem = grpId == METASTORAGE_CACHE_ID ? storePageMem : getPageMemoryForCacheGroup(grpId);
                            long page = pageMem.acquirePage(grpId, pageId, true);
                            try {
                                long pageAddr = pageMem.writeLock(grpId, pageId, page);
                                try {
                                    PageUtils.putBytes(pageAddr, 0, pageRec.pageData());
                                } finally {
                                    pageMem.writeUnlock(grpId, pageId, page, null, true, true);
                                }
                            } finally {
                                pageMem.releasePage(grpId, pageId, page);
                            }
                            applied++;
                        }
                    }
                    break;
                case PARTITION_DESTROY:
                    PartitionDestroyRecord destroyRec = (PartitionDestroyRecord) rec;
                    final int gId = destroyRec.groupId();
                    if (storeOnly && gId != METASTORAGE_CACHE_ID)
                        continue;
                    if (!ignoreGrps.contains(gId)) {
                        final int pId = destroyRec.partitionId();
                        PageMemoryEx pageMem = gId == METASTORAGE_CACHE_ID ? storePageMem : getPageMemoryForCacheGroup(gId);
                        pageMem.clearAsync((grpId, pageId) -> grpId == gId && PageIdUtils.partId(pageId) == pId, true).get();
                    }
                    break;
                default:
                    if (apply && rec instanceof PageDeltaRecord) {
                        PageDeltaRecord r = (PageDeltaRecord) rec;
                        int grpId = r.groupId();
                        if (storeOnly && grpId != METASTORAGE_CACHE_ID)
                            continue;
                        if (!ignoreGrps.contains(grpId)) {
                            long pageId = r.pageId();
                            PageMemoryEx pageMem = grpId == METASTORAGE_CACHE_ID ? storePageMem : getPageMemoryForCacheGroup(grpId);
                            // Here we do not require tag check because we may be applying memory changes after
                            // several repetitive restarts and the same pages may have changed several times.
                            long page = pageMem.acquirePage(grpId, pageId, true);
                            try {
                                long pageAddr = pageMem.writeLock(grpId, pageId, page);
                                try {
                                    r.applyDelta(pageMem, pageAddr);
                                } finally {
                                    pageMem.writeUnlock(grpId, pageId, page, null, true, true);
                                }
                            } finally {
                                pageMem.releasePage(grpId, pageId, page);
                            }
                            applied++;
                        }
                    }
            }
        }
    }
    if (storeOnly)
        return null;
    if (status.needRestoreMemory()) {
        if (apply)
            throw new IgniteCheckedException("Failed to restore memory state (checkpoint marker is present " + "on disk, but checkpoint record is missed in WAL) " + "[cpStatus=" + status + ", lastRead=" + lastRead + "]");
        log.info("Finished applying memory changes [changesApplied=" + applied + ", time=" + (U.currentTimeMillis() - start) + "ms]");
        if (applied > 0)
            finalizeCheckpointOnRecovery(status.cpStartTs, status.cpStartId, status.startPtr);
    }
    checkpointHist.loadHistory(cpDir);
    return lastRead == null ? null : lastRead.next();
}
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Example 8 with MetaStorage

use of org.apache.ignite.internal.processors.cache.persistence.metastorage.MetaStorage in project ignite by apache.

the class IgniteWalRecoveryTest method testMetastorageWalRestore.

/**
 * @throws Exception If fail.
 */
public void testMetastorageWalRestore() throws Exception {
    try {
        int cnt = 2000;
        IgniteEx ignite0 = (IgniteEx) startGrid(0);
        ignite0.active(true);
        GridCacheSharedContext<Object, Object> sharedCtx0 = ignite0.context().cache().context();
        MetaStorage storage = sharedCtx0.database().metaStorage();
        assert storage != null;
        for (int i = 0; i < cnt; i++) {
            sharedCtx0.database().checkpointReadLock();
            try {
                storage.putData(String.valueOf(i), new byte[] { 1, 2, 3 });
            } finally {
                sharedCtx0.database().checkpointReadUnlock();
            }
        }
        for (int i = 0; i < cnt; i++) {
            byte[] value = storage.getData(String.valueOf(i));
            assert value != null;
            assert value.length == 3;
        }
        stopGrid(0);
        ignite0 = startGrid(0);
        ignite0.active(true);
        sharedCtx0 = ignite0.context().cache().context();
        storage = sharedCtx0.database().metaStorage();
        assert storage != null;
        for (int i = 0; i < cnt; i++) {
            byte[] value = storage.getData(String.valueOf(i));
            assert value != null;
        }
    } finally {
        stopAllGrids();
    }
}
Also used : MetaStorage(org.apache.ignite.internal.processors.cache.persistence.metastorage.MetaStorage) IgniteEx(org.apache.ignite.internal.IgniteEx)

Example 9 with MetaStorage

use of org.apache.ignite.internal.processors.cache.persistence.metastorage.MetaStorage in project ignite by apache.

the class IgniteWalRecoveryTest method testMetastorage.

/**
 * @throws Exception If fail.
 */
public void testMetastorage() throws Exception {
    try {
        int cnt = 5000;
        IgniteEx ignite0 = (IgniteEx) startGrid("node1");
        IgniteEx ignite1 = (IgniteEx) startGrid("node2");
        ignite1.active(true);
        GridCacheSharedContext<Object, Object> sharedCtx0 = ignite0.context().cache().context();
        GridCacheSharedContext<Object, Object> sharedCtx1 = ignite1.context().cache().context();
        MetaStorage storage0 = sharedCtx0.database().metaStorage();
        MetaStorage storage1 = sharedCtx1.database().metaStorage();
        assert storage0 != null;
        for (int i = 0; i < cnt; i++) {
            sharedCtx0.database().checkpointReadLock();
            try {
                storage0.putData(String.valueOf(i), new byte[] { (byte) (i % 256), 2, 3 });
            } finally {
                sharedCtx0.database().checkpointReadUnlock();
            }
            byte[] b1 = new byte[i + 3];
            b1[0] = 1;
            b1[1] = 2;
            b1[2] = 3;
            sharedCtx1.database().checkpointReadLock();
            try {
                storage1.putData(String.valueOf(i), b1);
            } finally {
                sharedCtx1.database().checkpointReadUnlock();
            }
        }
        for (int i = 0; i < cnt; i++) {
            byte[] d1 = storage0.getData(String.valueOf(i));
            assertEquals(3, d1.length);
            assertEquals((byte) (i % 256), d1[0]);
            assertEquals(2, d1[1]);
            assertEquals(3, d1[2]);
            byte[] d2 = storage1.getData(String.valueOf(i));
            assertEquals(i + 3, d2.length);
            assertEquals(1, d2[0]);
            assertEquals(2, d2[1]);
            assertEquals(3, d2[2]);
        }
    } finally {
        stopAllGrids();
    }
}
Also used : MetaStorage(org.apache.ignite.internal.processors.cache.persistence.metastorage.MetaStorage) IgniteEx(org.apache.ignite.internal.IgniteEx)

Aggregations

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